Attempt to resolve gettimeofday compilation errors with MinGW64.

 src/w32.c (gettimeofday): Make the signature identical to prototype
 in nt/inc/sys/time.h.

 nt/inc/sys/time.h (struct timeval): Remove the _W64 guards.

nt/ChangeLog

+2013-06-03  Eli Zaretskii  <eliz@gnu.org>
+
+	* inc/sys/time.h (struct timeval): Remove the _W64 guards.
+
 2013-06-01  Eli Zaretskii  <eliz@gnu.org>
 
 	* inc/sys/time.h [!_TIMEZONE_DEFINED]: Define _TIMEZONE_DEFINED to

nt/inc/sys/time.h

@@ -8,7 +8,6 @@
 
 /* The guards are for MinGW64, which defines these structs on its
    system headers which are included by ms-w32.h.  */
-#ifndef _W64
 /* Allow inclusion of sys/time.h and winsock2.h in any order.  Needed
    for running the configure test, which is only relevant to MinGW.  */
 #ifndef _TIMEVAL_DEFINED
@@ -25,7 +24,6 @@ struct timeval
         ((tvp)->tv_usec cmp (uvp)->tv_usec))
 #define timerclear(tvp)  (tvp)->tv_sec = (tvp)->tv_usec = 0
 #endif /* _TIMEVAL_DEFINED */
-#endif /* _W64 */
 
 #ifndef _TIMEZONE_DEFINED
 #define _TIMEZONE_DEFINED

src/ChangeLog

+2013-06-03  Eli Zaretskii  <eliz@gnu.org>
+
+	* w32.c (gettimeofday): Make the signature identical to prototype
+	in nt/inc/sys/time.h.
+
 2013-06-03  Stefan Monnier  <monnier@iro.umontreal.ca>
 	* eval.c (backtrace_p, backtrace_top, backtrace_next): Export them to

src/w32.c

@@ -2452,7 +2452,7 @@ get_emacs_configuration_options (void)
 
 /* Emulate gettimeofday (Ulrich Leodolter, 1/11/95).  */
 int
-gettimeofday (struct timeval *restrict tv, struct timezone *restrict tz)
+gettimeofday (struct timeval *__restrict tv, struct timezone *__restrict tz)
 {
   struct _timeb tb;
   _ftime (&tb);